EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Kodiak Island, AK
Alitak, AK
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Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Atka, AK : 07/20/2025 00:23:00 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 06Z,  -0.30,   0.04,  -0.48,  99.90,  -0.22,
07/18 07Z,  -0.30,   0.21,  -0.23,  99.90,  -0.14,
07/18 08Z,  -0.30,   0.17,   0.00,  99.90,   0.13,  (max)
07/18 09Z,  -0.30,  -0.09,  -0.09,  99.90,   0.30,
07/18 10Z,  -0.30,  -0.60,  -0.27,  99.90,   0.63,
07/18 11Z,  -0.30,  -1.27,  -0.69,  99.90,   0.88,
07/18 12Z,  -0.20,  -1.96,  -1.31,  99.90,   0.85,
07/18 13Z,  -0.20,  -2.55,  -1.93,  99.90,   0.82,
07/18 14Z,  -0.20,  -2.97,  -2.48,  99.90,   0.69,
07/18 15Z,  -0.10,  -3.14,  -2.81,  99.90,   0.43,
07/18 16Z,  -0.10,  -3.09,  -2.93,  99.90,   0.26,  (min)
07/18 17Z,   0.00,  -2.87,  -2.76,  99.90,   0.11,
07/18 18Z,   0.00,  -2.53,  -2.49,  99.90,   0.04,
07/18 19Z,   0.00,  -2.16,  -2.28,  99.90,  -0.12,
07/18 20Z,   0.10,  -1.83,  -1.81,  99.90,  -0.08,
07/18 21Z,   0.10,  -1.57,  -1.52,  99.90,  -0.05,
07/18 22Z,   0.10,  -1.43,  -1.33,  99.90,  -0.00,
07/18 23Z,   0.10,  -1.41,  -1.21,  99.90,   0.10,  (max)
07/19 00Z,   0.10,  -1.39,  -1.22,  99.90,   0.07,
07/19 01Z,   0.10,  -1.32,  -1.23,  99.90,  -0.01,  (min)
07/19 02Z,   0.10,  -1.17,  -1.15,  99.90,  -0.08,
07/19 03Z,   0.10,  -0.88,  -0.98,  99.90,  -0.20,
07/19 04Z,   0.00,  -0.48,  -0.83,  99.90,  -0.35,
07/19 05Z,   0.00,  -0.05,  -0.44,  99.90,  -0.39,
07/19 06Z,   0.00,   0.33,  -0.16,  99.90,  -0.49,
07/19 07Z,   0.00,   0.56,   0.27,  99.90,  -0.29,
07/19 08Z,   0.00,   0.57,   0.52,  99.90,  -0.05,  (max)
07/19 09Z,   0.00,   0.34,   0.45,  99.90,   0.11,
07/19 10Z,   0.00,  -0.16,   0.26,  99.90,   0.42,
07/19 11Z,   0.00,  -0.91,  -0.20,  99.90,   0.71,
07/19 12Z,   0.00,  -1.77,  -0.82,  99.90,   0.95,
07/19 13Z,   0.00,  -2.58,  -1.67,  99.90,   0.91,
07/19 14Z,   0.00,  -3.27,  -2.48,  99.90,   0.79,
07/19 15Z,   0.00,  -3.72,  -3.18,  99.90,   0.54,
07/19 16Z,   0.00,  -3.87,  -3.61,  99.90,   0.26,
07/19 17Z,   0.00,  -3.74,  -3.75,  99.90,  -0.01,  (min)
07/19 18Z,  -0.10,  -3.40,  -3.61,  99.90,  -0.11,
07/19 19Z,  -0.10,  -2.91,  -3.31,  99.90,  -0.30,
07/19 20Z,  -0.10,  -2.39,  -2.83,  99.90,  -0.34,
07/19 21Z,  -0.10,  -1.90,  -2.42,  99.90,  -0.42,
07/19 22Z,  -0.10,  -1.51,  -1.87,  99.90,  -0.26,
07/19 23Z,  -0.10,  -1.25,  -1.49,  99.90,  -0.14,
07/20 00Z,  -0.10,  -1.10,  -1.32,  99.90,  -0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 01Z,  -0.10,  -0.96,  99.90,  -1.16,  -0.10,
07/20 02Z,   0.00,  -0.81,  99.90,  -0.89,  -0.08,
07/20 03Z,   0.00,  -0.60,  99.90,  -0.65,  -0.05,
07/20 04Z,   0.00,  -0.27,  99.90,  -0.30,  -0.03,
07/20 05Z,   0.00,   0.13,  99.90,   0.13,  -0.01,
07/20 06Z,  -0.10,   0.52,  99.90,   0.44,   0.02,
07/20 07Z,   0.00,   0.82,  99.90,   0.86,   0.04,
07/20 08Z,  -0.10,   0.94,  99.90,   0.90,   0.06,  (max)
07/20 09Z,  -0.10,   0.80,  99.90,   0.78,   0.08,
07/20 10Z,  -0.10,   0.38,  99.90,   0.38,   0.11,
07/20 11Z,  -0.10,  -0.32,  99.90,  -0.29,   0.13,
07/20 12Z,  -0.10,  -1.22,  99.90,  -1.17,   0.15,
07/20 13Z,  -0.20,  -2.20,  99.90,  -2.24,   0.15,
07/20 14Z,  -0.20,  -3.11,  99.90,  -3.16,   0.15,
07/20 15Z,  -0.20,  -3.86,  99.90,  -3.91,   0.15,
07/20 16Z,  -0.20,  -4.31,  99.90,  -4.36,   0.15,
07/20 17Z,  -0.20,  -4.42,  99.90,  -4.46,   0.15,  (min)
07/20 18Z,  -0.20,  -4.21,  99.90,  -4.26,   0.15,
07/20 19Z,  -0.30,  -3.77,  99.90,  -3.91,   0.15,
07/20 20Z,  -0.30,  -3.16,  99.90,  -3.31,   0.15,
07/20 21Z,  -0.30,  -2.52,  99.90,  -2.67,   0.15,
07/20 22Z,  -0.40,  -1.93,  99.90,  -2.18,   0.15,
07/20 23Z,  -0.40,  -1.44,  99.90,  -1.68,   0.15,
07/21 00Z,  -0.40,  -1.07,  99.90,  -1.32,   0.15,
07/21 01Z,  -0.40,  -0.82,  99.90,  -1.06,   0.15,
07/21 02Z,  -0.40,  -0.61,  99.90,  -0.85,   0.15,
07/21 03Z,  -0.40,  -0.40,  99.90,  -0.65,   0.15,
07/21 04Z,  -0.40,  -0.15,  99.90,  -0.39,   0.15,
07/21 05Z,  -0.50,   0.20,  99.90,  -0.15,   0.15,
07/21 06Z,  -0.50,   0.58,  99.90,   0.24,   0.15,
07/21 07Z,  -0.50,   0.92,  99.90,   0.58,   0.15,
07/21 08Z,  -0.50,   1.15,  99.90,   0.80,   0.15,  (max)
07/21 09Z,  -0.60,   1.16,  99.90,   0.71,   0.15,
07/21 10Z,  -0.60,   0.87,  99.90,   0.43,   0.15,
07/21 11Z,  -0.60,   0.32,  99.90,  -0.13,   0.15,
07/21 12Z,  -0.60,  -0.49,  99.90,  -0.94,   0.15,
07/21 13Z,  -0.60,  -1.49,  99.90,  -1.94,   0.15,
07/21 14Z,  -0.60,  -2.54,  99.90,  -2.98,   0.15,
07/21 15Z,  -0.60,  -3.51,  99.90,  -3.95,   0.15,
07/21 16Z,  -0.60,  -4.27,  99.90,  -4.71,   0.15,
07/21 17Z,  -0.70,  -4.69,  99.90,  -5.24,   0.15,  (min)
07/21 18Z,  -0.60,  -4.75,  99.90,  -5.19,   0.15,
07/21 19Z,  -0.70,  -4.48,  99.90,  -5.03,   0.15,
07/21 20Z,  -0.70,  -3.96,  99.90,  -4.51,   0.15,
07/21 21Z,  -0.70,  -3.28,  99.90,  -3.83,   0.15,
07/21 22Z,  -0.70,  -2.59,  99.90,  -3.13,   0.15,
07/21 23Z,  -0.70,  -1.93,  99.90,  -2.48,   0.15,
07/22 00Z,  -0.80,  -1.35,  99.90,  -2.00,   0.15,
07/22 01Z,  -0.70,  -0.91,  99.90,  -1.46,   0.15,
07/22 02Z,  -0.80,  -0.60,  99.90,  -1.24,   0.15,
07/22 03Z,  -0.80,  -0.34,  99.90,  -0.99,   0.15,
07/22 04Z,  -0.80,  -0.11,  99.90,  -0.75,   0.15,
07/22 05Z,  -0.80,   0.17,  99.90,  -0.48,   0.15,
07/22 06Z,  -0.80,   0.51,  99.90,  -0.14,   0.15,
07/22 07Z,  -0.80,   0.86,  99.90,   0.21,   0.15,
07/22 08Z,  -0.80,   1.15,  99.90,   0.50,   0.15,
07/22 09Z,  -0.90,   1.29,  99.90,   0.55,   0.15,  (max)
07/22 10Z,  -0.80,   1.19,  99.90,   0.55,   0.15,
07/22 11Z,  -0.90,   0.81,  99.90,   0.07,   0.15,
07/22 12Z,  -0.90,   0.19,  99.90,  -0.56,   0.15,
07/22 13Z,  -0.90,  -0.67,  99.90,  -1.42,   0.15,
07/22 14Z,  -0.90,  -1.71,  99.90,  -2.45,   0.15,
07/22 15Z,  -0.90,  -2.78,  99.90,  -3.52,   0.15,
07/22 16Z,  -0.90,  -3.74,  99.90,  -4.49,   0.15,
07/22 17Z,  -0.90,  -4.48,  99.90,  -5.22,   0.15,
07/22 18Z,  -0.90,  -4.86,  99.90,  -5.61,   0.15,
07/22 19Z,  -0.90,  -4.87,  99.90,  -5.62,   0.15,  (min)
07/22 20Z,  -1.00,  -4.56,  99.90,  -5.41,   0.15,
07/22 21Z,  -1.00,  -4.00,  99.90,  -4.85,   0.15,
07/22 22Z,  -1.00,  -3.31,  99.90,  -4.15,   0.15,
07/22 23Z,  -1.00,  -2.58,  99.90,  -3.43,   0.15,
07/23 00Z,  -1.00,  -1.87,  99.90,  -2.72,   0.15,
07/23 01Z,  -1.00,  -1.25,  99.90,  -2.09,   0.15,
07/23 02Z,  -0.90,  -0.77,  99.90,  -1.52,   0.15,
07/23 03Z,  -0.90,  -0.43,  99.90,  -1.18,   0.15,
07/23 04Z,  -0.90,  -0.16,  99.90,  -0.91,   0.15,
07/23 05Z,  -0.90,   0.08,  99.90,  -0.67,   0.15,
07/23 06Z,  -0.90,   0.34,  99.90,  -0.40,   0.15,
07/23 07Z,  -0.90,   0.66,  99.90,  -0.09,   0.15,
07/23 08Z,  -0.90,   0.96,  99.90,   0.21,   0.15,
07/23 09Z,  -0.90,   1.18,  99.90,   0.43,   0.15,
07/23 10Z,  -0.80,   1.24,  99.90,   0.59,   0.15,  (max)
07/23 11Z,  -0.80,   1.06,  99.90,   0.41,   0.15,
07/23 12Z,  -0.80,   0.64,  99.90,  -0.00,   0.15,
07/23 13Z,  -0.80,   0.01,  99.90,  -0.64,   0.15,
07/23 14Z,  -0.80,  -0.85,  99.90,  -1.50,   0.15,
07/23 15Z,  -0.80,  -1.88,  99.90,  -2.53,   0.15,
07/23 16Z,  -0.80,  -2.92,  99.90,  -3.56,   0.15,
07/23 17Z,  -0.80,  -3.83,  99.90,  -4.48,   0.15,
07/23 18Z,  -0.70,  -4.51,  99.90,  -5.06,   0.15,